Mug having a lid



FIG. 1 is a front elevational view of the design according to the present invention; the back elevational view being a mirror image thereof;

FIG. 2 is a first side elevational view thereof;

FIG. 3 is a second side elevational view thereof;

FIG. 4 is a top view thereof; and,

FIG. 5 is a bottom view thereof. 

The ornamental design for a mug having a lid, as shown and described. 